T-Mobile is reportedly readying a harvest of LTE-enabled devices for this spring, suggesting that T-Mobile's 4G LTE network will be operational by that time

The wireless carrier is expected to release the BlackBerry Z10, Samsung Galaxy Exhibit, and Sonic 2.0 LTE mobile hot spot on March 27, according to a purported road map leaked to TMO News. A screenshot of the road map also lists an LTE-enabled Samsung Galaxy S3 launching either March 27 or April 3.

Pricing for the devices was not included.

T-Mobile, which does not yet currently offer 4G LTE, has said before that it will develop a 4G LTE network. It currently offers 4G (HSPA+), which it says is fast enough to be called 4G.

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The BlackBerry Z10, which was announced last week, is reportedly off to a strong sales start in several countries around the world. The device runs the company's latest operating system, BlackBerry 10, and comes with a full, 4.2-inch touch screen.

The U.K. seems to be BlackBerry's best market, according to Jefferies analyst Peter Misek. "Initial checks" had found that Carphone Warehouse, a company that sells handsets, "is seeing widespread sellouts," Misek said in a research note obtained this morning by CNET. U.K. carriers O2, Vodafone, Orange, and EE "are seeing robust demand," he said.